Best Cylinder Head Shim Gaskets of 2026

The Empi Cylinder Shim Set is designed for engines requiring a .010" thickness, making it a perfect choice for high-performance builds. This set includes four shims that are specifically clearanced to accommodate 8mm head studs, ensuring a proper fit and enhanced performance. Compatible with popular piston brands like Mahle, NPR, and AA, these shims provide flexibility for various engine setups. By using this shim set, you can achieve optimal compression and improve your engine's efficiency, giving you the power you need on the road or track.

The EMPI Cylinder Shim Set is designed to offer precise adjustment for your engine with four shims included in the set. Each shim is .040 inches thick, allowing you to fine-tune the fit and clearance of your cylinder head for optimal performance. These shims are specially cut to fit around 8mm head studs, giving you a smooth and secure installation. Compatible with popular piston brands like Mahle, NPR, and AA, this set is a great choice if you want to maintain or improve the efficiency of high-performance engines, such as those used in dune buggies.

The DNJ Head Spacer Shim is a brand new, high-quality engine part designed for 2011-2021 Buick, Cadillac, and Chevrolet models with a 1.4L engine. This spacer is 0.020 inches thick and is meant to be installed on the block side, helping ensure proper engine fit and function. DNJ Engine Components is a trusted brand with over 30 years of experience, giving you confidence in the durability and reliability of this product. By choosing the DNJ Head Spacer Shim, you get a part that supports long-term engine performance and peace of mind.

The EMPI Cylinder Shim Kit is designed to fit bore sizes of 85.5mm, 87mm, and 88mm, making it a versatile choice for your engine needs. Each shim is .060 inches thick, offering precise adjustment to help you achieve the perfect fit for your cylinder head. The kit includes four pieces, giving you enough shims to make multiple adjustments or replacements as needed. Whether you’re working on a dune buggy or another compatible vehicle, this set provides the convenience of accurate spacing to improve engine performance and reliability.

The DNJ Head Spacer Shim is a brand new part designed specifically for 1.8L L4 DOHC engines from Pontiac, Toyota, and Chevrolet made between 2000 and 2008. This spacer is 0.020 inches thick and is meant to be installed on the engine block side, helping to ensure a proper fit and seal in your engine. DNJ Engine Components is known for quality and reliability, with over 30 years of experience in producing engine parts for both domestic and Japanese vehicles. Choosing the DNJ Head Spacer Shim means you’re getting a trusted product that can help maintain your engine’s performance and longevity.

The Mr. Gasket Steel Shim Gasket is designed to provide a tight and reliable seal for your engine. Its thin steel shim layer ensures a precise fit, which helps prevent leaks and maintains engine performance. By increasing the engine compression, this gasket can boost your engine’s power output. Plus, the high-temperature silicone coating offers extra protection against fluid leaks, so you don’t have to worry about messy spills or damage. This gasket is a solid choice if you want durability and improved engine efficiency in one package.

The Yiklwwy EA888 Gasket is designed to fit a wide range of Audi and Volkswagen models, including popular series like A1, A3, A4, and Jetta. It comes with multiple part numbers that ensure compatibility with your engine, making it easier for you to find the exact match. The gasket is made to standard size, so it fits perfectly without the need for modifications, giving you peace of mind during installation. Plus, it includes a 6-month warranty, protecting your purchase and offering you confidence in its quality and durability.

The AA Performance Cylinder Shim is designed to help you adjust your engine’s cylinder head clearance with precision. This set includes four shims sized at .090, making it easier for you to fine-tune your engine for better performance. Made by AA Performance, a trusted brand in engine parts, these shims fit 90.5 and 92mm cylinders, giving you more flexibility for your tuning needs. Using these shims can improve your engine’s efficiency and help maintain optimal performance by ensuring proper cylinder head spacing.